CN103862843A - Closed-loop control high-precision positioning lifting system of full-automatic solder paste printer - Google Patents
Closed-loop control high-precision positioning lifting system of full-automatic solder paste printer Download PDFInfo
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- CN103862843A CN103862843A CN201410121005.XA CN201410121005A CN103862843A CN 103862843 A CN103862843 A CN 103862843A CN 201410121005 A CN201410121005 A CN 201410121005A CN 103862843 A CN103862843 A CN 103862843A
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Abstract
The invention discloses a closed-loop control high-precision positioning lifting system of a full-automatic solder paste printer. The closed-loop control high-precision positioning lifting system comprises a support with a power drive device, and a driving synchronous pulley is arranged on the power drive device. A guide device is arranged on the support, and a lifting rack is arranged on the guide device. A power transmission device is arranged on the support, and a driven synchronous pulley is arranged on the power transmission device. An electronic induction device and a stroke buffer device are assembled on the support. According to the scheme, precision lead screws are driven by a precision servo motor to rotate, and then the lifting rack can precisely move and can be precisely positioned along a linear guide rail; the problems that a lifting rack with large inertia is low in control and positioning precision and response speed, poor in stability and the like are solved. According to the scheme, due to the adoption of a ball nut lead screw pair, the transmission friction torque moment is small, efficiency is high, motion is smooth, and precision is high; the structural strength of the lifting rack and the support is greatly improved; a linear guide rail sliding block is adopted in the guide device, smoothness is high, and errors are small.
Description
Technical field
The present invention relates to a kind of circuit board fabrication equipment, relate in particular to a kind of closed-loop control hi-Fix jacking system of full-automatic stencil printing machine.
Background technology
There is in recent years huge variation in existing surface mounting technology, electronic product is towards miniaturization, lightness and high reliability future development, make surface adhered with electronic component constantly towards frivolous small highly integrated development, this generation to pasted on surface of circuit board technology new challenge.The first operation of pasted on surface of circuit board is completed by stencil printer exactly, and this operation is extremely important.At present, in known field, the jacking system of full-automatic stencil printing machine all adopts air pressure piston rod to move in cylinder, thereby piston driving crane does rectilinear motion, and its positioning precision is lower, can not make crane accurately rest on precalculated position, thereby affect printing precision.
The jacking system of traditional full-automatic printer, has following shortcoming: response speed is slow, and positioning precision is low, and structural stability is poor, open loop control.
Summary of the invention
For the problems referred to above, the present invention aims to provide the closed-loop control hi-Fix jacking system of a kind of closed-loop control, fast response time, full-automatic stencil printing machine that positioning precision is high.
For realizing this technical purpose, the solution of the present invention is: a kind of closed-loop control hi-Fix jacking system of full-automatic stencil printing machine, comprise bearing, and described bearing is provided with Power Drive Unit, and Power Drive Unit is provided with active synchronization belt wheel; Described bearing is provided with guider, and guider is provided with crane; Described bearing is provided with actuating unit, is also provided with driven synchronous pulley on actuating unit; On described bearing, there is electronic inductor, on bearing, be also provided with stroke buffer unit; Described Power Drive Unit comprises servomotor, and servomotor is connected by key with active synchronization belt wheel; Described guider comprises line slideway and slide block, between line slideway and bearing, is fixedly connected with, and between slide block and crane, is fixedly connected with, and slide block is installed and is arranged on respectively on line slideway; Described actuating unit comprises precision lead screw and positioner, and precision lead screw is provided with the ball nut matching, and ball nut is arranged on crane; Described stroke buffer unit comprises shaping screw, and described shaping screw is arranged on bearing, the each dress retainer nut of difference on shaping screw, and described retainer nut is arranged on respectively the two ends of shaping screw between two; Described induction installation comprises axle, and electric eye stand is installed on axle, electric eye of the each installation of difference on electric eye stand.
As preferably, described driven synchronous pulley is arranged on one end of precision lead screw, between driven synchronous pulley and active synchronization belt wheel, is connected by Timing Belt.
As preferably, described positioner comprises top chock and step, in described top chock, double-row angular contact ball bearing is installed, and double-row angular contact ball bearing is arranged on precision lead screw, thrust plate is installed on top chock, and top chock and thrust plate are arranged on bearing.
As preferably, described top chock is provided with step, and single row angular contact ball bearing is installed in step, and single row angular contact ball bearing is arranged on precision lead screw;
As preferably, described step is arranged on bearing, and step below has locking nut, locking nut to be arranged on described precision lead screw.
As preferably, on described bearing, stroke dog is installed, stroke dog is arranged on respectively on shaping screw, and stroke dog is with respect to the free degree that has a vertical direction on shaping screw.
As preferably, electronic eye response sheet and support arm are installed on described crane, on support arm, be separately installed with bolt.
As preferably, the both sides of described bearing are each installs a support.
Beneficial effect of the present invention, drives rotatablely moving of precision lead screw by elaborate servo motor, makes crane accurately to move and to locate along line slideway; Can solve the problem that crane control positioning precision is low, response speed is slow that inertia is larger, also solve the problem of crane poor stability; Actuating unit adopts ball nut lead screw pair, and when its transmission, moment of friction is little, and transmission efficiency is high, and steadily, transmission accuracy is high in motion; Crane and bearing all adopt the casting of high-quality cast aluminium to form, and structural strength is high; Guider adopts straight-line guide rail slide block, and stationarity is high, and error is little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation that removes crane of the present invention;
Fig. 3 is the structural representation that removes bearing of the present invention;
Fig. 4 is the structural representation of side-looking face of the present invention;
Fig. 5 is explosive view of the present invention;
Fig. 6 is structured flowchart of the present invention.
In figure: 1-bearing; 102-nut; 103-shaping screw; 104-electric eye stand; 105-axle; 106-electric eye; 107-support; 2-crane; 201-stroke dog; 202-support arm; 203-electronic eye response sheet; 204-bolt; 3-leading screw; 301-ball nut; 302-thrust plate; 303-upper ball cover; 304-lower ball cover; 305-locking nut; The driven synchronous pulley of 306-; 307-double-row angular contact ball bearing; 308-single row angular contact ball bearing; 4-servomotor; 401-active synchronization belt wheel 5-line slideway; 501-slide block; 6-Timing Belt.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As shown in Fig. 1,2,6, specific embodiment of the present invention is a kind of closed-loop control hi-Fix jacking system of full-automatic stencil printing machine, comprise bearing 1, described bearing 1 is provided with Power Drive Unit, described Power Drive Unit is provided with active synchronization belt wheel 401, described bearing is provided with guider, described guider is provided with crane 2, described bearing 1 is provided with actuating unit, on described actuating unit, be also provided with driven synchronous pulley 306, on described bearing 1, there is electronic inductor, on described bearing 1, be also provided with stroke buffer unit.Crane and bearing all adopt the casting of high-quality cast aluminium to form, and structural strength is high, and appearance is light and handy.
As Fig. 3, shown in Fig. 4, described Power Drive Unit comprises servomotor 4, described servomotor 4 is connected by key with active synchronization belt wheel 401, described active synchronization belt wheel 401 is connected with driven Timing Belt 306 by Timing Belt 6, driven Timing Belt 306 is arranged on actuating unit, makes servomotor 4 can drive described actuating unit.Power Drive Unit adopts servomotor that power is provided, and its response time is shorter, and its rotating speed can be accurately controlled in closed-loop control, angular displacement, thus make crane accurately reach predetermined height.
Described actuating unit comprises precision lead screw 3 and positioner, and as shown in Figure 1, described precision lead screw 3 is provided with the ball nut 301 matching, and described ball nut 301 is arranged on crane 2; Described positioner comprises top chock 303 and step 304.Actuating unit is just used ball nut lead screw pair, and when its transmission, moment of friction is little, and transmission efficiency can reach 92%-98%, and steadily, transmission accuracy is high in motion.
As shown in Figure 5, 2 double-row angular contact ball bearings 307 are installed in described top chock 303, double-row angular contact ball bearing 307 described in 2 is arranged on described precision lead screw 3, on described top chock 303, thrust plate 302 is installed, in described step 304, single row angular contact ball bearing 308 is installed, described single row angular contact ball bearing 308 is arranged on precision lead screw 3, described step is provided with locking nut 305 304 times, described locking nut 305 is arranged on precision lead screw 3, top chock 303, thrust plate 302 and step 304 are installed on bearing 1.
As shown in Figure 1,3, the positioner being arranged on bearing 1 is fixed in the vertical direction on precision lead screw, the bearing inner race of double-row angular contact ball bearing 307 and single row angular contact ball bearing 308 is arranged on precision lead screw 3 simultaneously, bearing can rotate around vertical axis, therefore, have can a free degree of rotating around vertical axis for precision lead screw 3.
Described guider comprises 2 identical 5 and 4 identical slide blocks 501 of line slideway, as shown in Figure 2,3,2 line slideways 501 are fixedly connected with bearing 1 use, slide block 501 is fixedly connected with crane 2 use, slide block 501 is slidably connected with line slideway 5 between two, and therefore, slide block 501 in the vertical directions have one degree of freedom, be that slide block 501 can be along line slideway 5 the moving up and down of vertical direction, thus crane 2 and then slide block 501 also move up and down.Guider adopts straight-line guide rail slide block, and stationarity is high, and error is little.
Described induction installation comprises axle 105, as shown in Figure 1,2 electric eye stands 104 are installed on described axle 105, electric eye 106 of the each installation of difference on 2 described electric eye stands 104, electronic eye response sheet 203 is arranged on crane 2, therefore when crane is in the time moving up and down, two electric eyes 106 have determined its extreme limit of travel position, guarantee that crane 2 moves at home.
Described stroke buffer unit comprises 2 shaping screws 103, as shown in Figure 1,2 shaping screws 103 are arranged on bearing 1, on 2 shaping screws, respectively fill 4 retainer nuts 102,4 retainer nuts 102 are arranged on respectively the two ends of shaping screw 103 between two, on described crane 2, stroke dog 201 is installed, therefore stroke dog 201 is along with crane moves up and down, in the time arriving high-low limit position, stroke dog 201 plays cushioning effect, described stroke dog 201 is to form with polyurethane manufacture, and its buffering and damping effect is good.
As shown in Figure 1, on described bearing 1, support 107 is installed, support 107 is the transport guide rails in order to support full-automatic stencil printing machine.
As shown in Figure 1,3, on described crane 2, support arm 202 is installed, on described support arm 202, bolt 204 is installed, when longer support arm 202 in order to support larger workbench.
The above; it is only preferred embodiment of the present invention; not in order to limit the present invention, any trickle modification that every foundation technical spirit of the present invention is done above embodiment, be equal to and replace and improve, within all should being included in the protection domain of technical solution of the present invention.
Claims (8)
1. a closed-loop control hi-Fix jacking system for full-automatic stencil printing machine, is characterized in that: comprise bearing, described bearing is provided with Power Drive Unit, and Power Drive Unit is provided with active synchronization belt wheel; Described bearing is provided with guider, and guider is provided with crane; Described bearing is provided with actuating unit, is also provided with driven synchronous pulley on actuating unit; On described bearing, there is electronic inductor, on bearing, be also provided with stroke buffer unit;
Described Power Drive Unit comprises servomotor, and servomotor is connected by key with active synchronization belt wheel;
Described guider comprises line slideway and slide block, between line slideway and bearing, is fixedly connected with, and between slide block and crane, is fixedly connected with, and slide block is installed and is arranged on respectively on line slideway;
Described actuating unit comprises precision lead screw and positioner, and precision lead screw is provided with the ball nut matching, and ball nut is arranged on crane;
Described stroke buffer unit comprises shaping screw, and described shaping screw is arranged on bearing, and retainer nut is installed respectively on shaping screw, and described retainer nut is arranged on respectively the two ends of shaping screw between two;
Described induction installation comprises axle, and electric eye stand is installed on axle, electric eye of the each installation of difference on electric eye stand.
2. the closed-loop control hi-Fix jacking system of full-automatic stencil printing machine according to claim 1, it is characterized in that: described driven synchronous pulley is arranged on one end of precision lead screw, between driven synchronous pulley and active synchronization belt wheel, be connected by Timing Belt.
3. the closed-loop control hi-Fix jacking system of full-automatic stencil printing machine according to claim 1, it is characterized in that: described positioner comprises top chock and step, in described top chock, double-row angular contact ball bearing is installed, double-row angular contact ball bearing is arranged on precision lead screw, thrust plate is installed on top chock, and top chock and thrust plate are arranged on bearing.
4. the closed-loop control hi-Fix jacking system of full-automatic stencil printing machine according to claim 3, it is characterized in that: described top chock is provided with step, single row angular contact ball bearing is installed in step, and single row angular contact ball bearing is arranged on precision lead screw;
5. the closed-loop control hi-Fix jacking system of full-automatic stencil printing machine according to claim 4, is characterized in that: described step is arranged on bearing, and step below has locking nut, locking nut to be arranged on described precision lead screw.
6. the closed-loop control hi-Fix jacking system of full-automatic stencil printing machine according to claim 1, it is characterized in that: on described bearing, stroke dog is installed, stroke dog is arranged on respectively on shaping screw, and stroke dog is with respect to the free degree that has a vertical direction on shaping screw.
7. the closed-loop control hi-Fix jacking system of full-automatic stencil printing machine according to claim 1, is characterized in that: electronic eye response sheet and support arm are installed on described crane, are separately installed with bolt on support arm.
8. the closed-loop control hi-Fix jacking system of full-automatic stencil printing machine according to claim 1, is characterized in that: a support of the each installation in both sides of described bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410121005.XA CN103862843B (en) | 2014-03-27 | 2014-03-27 | The closed-loop control hi-Fix jacking system of full-automatic stencil printing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410121005.XA CN103862843B (en) | 2014-03-27 | 2014-03-27 | The closed-loop control hi-Fix jacking system of full-automatic stencil printing machine |
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| CN103862843A true CN103862843A (en) | 2014-06-18 |
| CN103862843B CN103862843B (en) | 2016-03-02 |
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| CN201410121005.XA Active CN103862843B (en) | 2014-03-27 | 2014-03-27 | The closed-loop control hi-Fix jacking system of full-automatic stencil printing machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191808A (en) * | 2014-08-07 | 2014-12-10 | 深圳市广晟德科技发展有限公司 | Full-automatic solder paste printer |
| CN104308014A (en) * | 2014-09-26 | 2015-01-28 | 上海瑞铁数控机床有限公司 | Automatic lifting positioning front material support of bending machine |
| CN108133110A (en) * | 2017-12-28 | 2018-06-08 | 重庆大学 | A kind of dry measuring method for cutting gear hobbing process intermediate slide portion group temperature field |
| CN109062115A (en) * | 2018-09-11 | 2018-12-21 | 长沙学院 | A kind of spin control method based on double-closed-loop control |
| CN110271263A (en) * | 2019-07-24 | 2019-09-24 | 重庆工贸职业技术学院 | A kind of rack lifting device of printing machine |
| CN112428674A (en) * | 2020-11-10 | 2021-03-02 | 深圳德森精密设备有限公司 | Lifting device and solder paste printing equipment |
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| US6352025B1 (en) * | 2000-09-01 | 2002-03-05 | Motorola, Inc. | Solder printing apparatus |
| CN201023319Y (en) * | 2007-04-17 | 2008-02-20 | 东莞市科隆威自动化设备有限公司 | Full-automatic printing machine platform cylinder lifting auxiliary mechanism |
| CN201124609Y (en) * | 2007-11-09 | 2008-10-01 | 深圳市欧得电子有限公司 | Automatic lifting mechanism of PCB solder paste printer |
| CN201471824U (en) * | 2009-07-28 | 2010-05-19 | 深圳市网印巨星机电设备有限公司 | Printing platform device |
| CN201824635U (en) * | 2010-09-08 | 2011-05-11 | 东莞市凯格精密机械有限公司 | Pressure closed-loop control scraper mechanism and full automatic visual printing machine |
| CN102177022A (en) * | 2008-10-09 | 2011-09-07 | Ekra自动化系统有限公司 | Printing table arrangement |
| CN203888345U (en) * | 2014-03-27 | 2014-10-22 | 深圳市广晟德科技发展有限公司 | Lifting system of fully-automatic solder paste printing machine |
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2014
- 2014-03-27 CN CN201410121005.XA patent/CN103862843B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6352025B1 (en) * | 2000-09-01 | 2002-03-05 | Motorola, Inc. | Solder printing apparatus |
| CN201023319Y (en) * | 2007-04-17 | 2008-02-20 | 东莞市科隆威自动化设备有限公司 | Full-automatic printing machine platform cylinder lifting auxiliary mechanism |
| CN201124609Y (en) * | 2007-11-09 | 2008-10-01 | 深圳市欧得电子有限公司 | Automatic lifting mechanism of PCB solder paste printer |
| CN102177022A (en) * | 2008-10-09 | 2011-09-07 | Ekra自动化系统有限公司 | Printing table arrangement |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191808A (en) * | 2014-08-07 | 2014-12-10 | 深圳市广晟德科技发展有限公司 | Full-automatic solder paste printer |
| CN104308014A (en) * | 2014-09-26 | 2015-01-28 | 上海瑞铁数控机床有限公司 | Automatic lifting positioning front material support of bending machine |
| CN108133110A (en) * | 2017-12-28 | 2018-06-08 | 重庆大学 | A kind of dry measuring method for cutting gear hobbing process intermediate slide portion group temperature field |
| CN109062115A (en) * | 2018-09-11 | 2018-12-21 | 长沙学院 | A kind of spin control method based on double-closed-loop control |
| CN109062115B (en) * | 2018-09-11 | 2020-02-07 | 长沙学院 | Rolling ball control method based on double closed-loop control |
| CN110271263A (en) * | 2019-07-24 | 2019-09-24 | 重庆工贸职业技术学院 | A kind of rack lifting device of printing machine |
| CN112428674A (en) * | 2020-11-10 | 2021-03-02 | 深圳德森精密设备有限公司 | Lifting device and solder paste printing equipment |
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| CN103862843B (en) | 2016-03-02 |
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